Solve the Problem by Writing a Variation Model

question 49

Multiple Choice

Solve the problem by writing a variation model. An object in free fall travels a distance s that is directly proportional to the square of the time t . If an object falls 960 feet in 8 seconds, how far will it fall in 10 seconds?

• A) 1,260 ft
• B) 1,320 ft
• C) 1,440 ft
• D) 1,380 ft
• E) 1,500 ft

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Definitions:

Interrater Reliability

The degree of agreement or consistency among different raters or observers assessing the same phenomenon.

Predictive Validity

Refers to the extent to which a score on a scale or test predicts future performance or outcomes on a related measure.

Nominal Scale

A scale of measurement with two or more categories that have no numerical (less than, greater than) properties.

Discriminant Validity

The extent to which a measurement does not correlate with measurements from different constructs, ensuring distinctiveness among variables.